These are sections of members of the walking beam, taken from blueprints supplied by the Florida East Coast Railway Company. My thanks to them for their generous cooperation. These figures are for the instruction of fine-scale modelers. Stresses are given in 1000 #.
Pluses indicate compression; minuses indicate tension.
Max Stress 20% Impact Total Unit Stress Member + - + - + - + - -------------------------------------------------------------------- 27-29 2000 400 2400 12.5 29-30 2380 476 2856 16.0 30-31 1050 1590 210 318 1575 2223 12.5 16.0 -------------------------------------------------------------------- 27-31 1965 1810 393 362 2901 2715 12.5 16.0 27-30 1460 292 1752 12.5 30-33 1280 256 1536 16.0
Max Stress 20% Impact Total Unit Stress Member + - + - + - + - -------------------------------------------------------------------- 33-35 848 170 1018 16.0 31-33 50.0 403 10.0 80 498 16.0 31-35 777.0 712 155 142 1146 1068 12.5 16.0 -------------------------------------------------------------------- 33-34 456 92 548 16.0 34-35 448.0 90.0 538.0 12.5